SpiderMonkey编译错误
问题描述:
我刚刚安装了最新版本的SpiderMonkey,并试图运行嵌入JS引擎的示例“Hello World”程序。示例程序如下所示:SpiderMonkey编译错误
#include "jsapi.h"
/* The class of the global object. */
static JSClass global_class = {
"global",
JSCLASS_GLOBAL_FLAGS,
JS_PropertyStub,
JS_DeletePropertyStub,
JS_PropertyStub,
JS_StrictPropertyStub,
JS_EnumerateStub,
JS_ResolveStub,
JS_ConvertStub
};
int main(int argc, const char *argv[])
{
JS_Init();
JSRuntime *rt = JS_NewRuntime(8L * 1024 * 1024, JS_NO_HELPER_THREADS);
if (!rt)
return 1;
JSContext *cx = JS_NewContext(rt, 8192);
if (!cx)
return 1;
JS::RootedObject global(cx, JS_NewGlobalObject(cx, &global_class, nullptr, JS::DontFireOnNewGlobalHook));
if (!global)
return 1;
JS::Value rval;
bool ok;
{
JSAutoCompartment ac(cx, *global);
JS_InitStandardClasses(cx, *global);
const char *script = "'hello'+'world, it is '+new Date()";
const char *filename = "noname";
int lineno = 0;
ok = JS_EvaluateScript(cx, *global, script, strlen(script), filename, lineno, &rval);
if (rval.isNull() | rval.isFalse())
return 1;
}
JSString *str = rval.toString();
printf("%s\n", JS_EncodeString(cx, str));
JS_DestroyContext(cx);
JS_DestroyRuntime(rt);
JS_ShutDown();
return 0;
}
不过,我收到以下错误(当我使用g ++编译的终端):
js/src/helloworld.cpp:21:53: error: use of undeclared identifier 'JS_NO_HELPER_THREADS'
js/src/helloworld.cpp:36:25: error: no matching constructor for initialization of 'JSAutoCompartment'
js/src/helloworld.cpp:37:7: error: no matching function for call to 'JS_InitStandardClasses'
js/src/helloworld.cpp:42:12: error: no matching function for call to 'JS_EvaluateScript'
谁能告诉我什么,我做错了什么?
答
在编译时可能没有提供包含路径和库路径。
你应该这样编译:
须藤G ++ -std = C++ 11 -I /家庭/ PI/mozjs-24.2.0/JS/src目录/ build_OPT.OBJ /距离/包括-L /家/ PI/mozjs-24.2.0/JS/SRC/build_OPT.OBJ/DIST/LIB/HelloWorld.cpp -o的Helloworld -lmozjs-24 -lz -lpthread -ldl
其中HelloWorld
是你的文件的名字。